
Radeon Vega 3
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Radeon HD 4770
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Performance Spectrum - GPU
About G3D Mark
G3D Mark is a standard benchmark that measures graphics performance in real-world gaming scenarios. It simplifies comparing cards from different brands, where higher scores directly correlate with better fps and smoother gaming experiences.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (G3D Mark) per dollar. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar
Performance Per Dollar Radeon HD 4770
Performance Comparison
About G3D Mark🏆 Chipversus Verdict
⚠️ Generational Difference
The Radeon Vega 3 is significantly newer (2021 vs 2009). The Radeon Vega 3 likely supports modern features like Ray Tracing, Tensor Cores, and DLSS/FSR upscaling, which act as force multipliers for performance. The Radeon HD 4770 lacks this hardware feature set, limiting its longevity in modern titles despite any raw power similarities.
🚀 Performance Leadership
The Radeon HD 4770 is the superior choice for raw performance. It leads with a 1.9% higher G3D Mark score and 100+% more VRAM (512 MB vs 0 MB). This advantage makes it significantly better for higher resolutions (1440p/4K) and graphic-intensive titles compared to the Radeon Vega 3.
| Insight | Radeon Vega 3 | Radeon HD 4770 |
|---|---|---|
| Performance | ❌Lower raw frame rates (-1.9%) | ✅Leading raw performance (+1.9%) |
| Longevity | GCN 5.1 (2018−2022) (7nm) | 🛑Obsolete Architecture (2009 / TeraScale (2005−2013)) |
| Ecosystem | Supports FSR Upscaling | Supports FSR Upscaling |
| VRAM | ❌ Less VRAM capacity | ✅ More VRAM (+100+%) |
| Efficiency | 💡 Excellent Perf/Watt | ⚡ Higher Power Consumption |
| Case Fit | — | 📏 Compact / SFF Friendly |
💎 Value Proposition
While current pricing data is unavailable, the Radeon HD 4770 remains the clear technical winner. Check real-time availability to determine if the performance gap justifies the market price.
Performance Check
Real-world benchmarks and performance projections based on comprehensive hardware analysis and comparative metrics. Values represent expected performance on High/Ultra settings at 1080p, 1440p, and 4K. Modeled using a Ryzen 7 7800X3D reference profile to minimize specific CPU bottlenecks.
Note: Performance behavior can vary per game. Specific architectures may perform better or worse depending on game engine optimizations and API implementation.
Technical Specifications
Side-by-side comparison of Radeon Vega 3 and Radeon HD 4770

Radeon Vega 3
The Radeon Vega 3 is manufactured by AMD. It was released in April 13 2021. It features the GCN 5.1 architecture. The core clock ranges from 300 MHz to 1900 MHz. It has 448 shading units. The thermal design power (TDP) is 45W. Manufactured using 7 nm process technology. G3D Mark benchmark score: 892 points.

Radeon HD 4770
The Radeon HD 4770 is manufactured by AMD. It was released in April 28 2009. It features the TeraScale architecture. The core clock speed is 750 MHz. It has 640 shading units. The thermal design power (TDP) is 80W. Manufactured using 40 nm process technology. G3D Mark benchmark score: 909 points. Launch price was $109.
Graphics Performance
The Radeon Vega 3 scores 892 and the Radeon HD 4770 reaches 909 in the G3D Mark benchmark — just a 1.9% difference, making them near-identical in rasterization performance. The Radeon Vega 3 is built on GCN 5.1 while the Radeon HD 4770 uses TeraScale, both on 7 nm vs 40 nm. Shader units: 448 (Radeon Vega 3) vs 640 (Radeon HD 4770). Raw compute: 1.702 TFLOPS (Radeon Vega 3) vs 0.96 TFLOPS (Radeon HD 4770).
| Feature | Radeon Vega 3 | Radeon HD 4770 |
|---|---|---|
| G3D Mark Score | 892 | 909+2% |
| Architecture | GCN 5.1 | TeraScale |
| Process Node | 7 nm | 40 nm |
| Shading Units | 448 | 640+43% |
| Compute (TFLOPS) | 1.702 TFLOPS+77% | 0.96 TFLOPS |
| ROPs | 8 | 16+100% |
| TMUs | 28 | 32+14% |
Advanced Features (DLSS/FSR)
| Feature | Radeon Vega 3 | Radeon HD 4770 |
|---|---|---|
| Upscaling Tech | FSR 1.0 (Software) | FSR 1.0 (Software) |
| Frame Generation | Not Supported | Not Supported |
| Ray Reconstruction | No | No |
| Low Latency | AMD Anti-Lag | AMD Anti-Lag |
Video Memory (VRAM)
The Radeon Vega 3 comes with 0 MB of VRAM, while the Radeon HD 4770 has 512 MB. The Radeon HD 4770 offers 100+% more capacity, crucial for higher resolutions and texture-heavy games. Bus width: System vs 64-bit.
| Feature | Radeon Vega 3 | Radeon HD 4770 |
|---|---|---|
| VRAM Capacity | Shared System RAM | 0.5 GB |
| Memory Type | Shared | GDDR5 |
| Memory Bandwidth | System | Unknown |
| Bus Width | System | 64-bit |
Display & API Support
DirectX support: 12 (FL 12_1) (Radeon Vega 3) vs 10.1 (Radeon HD 4770). OpenGL: 4.6 vs 3.3. Maximum simultaneous displays: 4 vs 3.
| Feature | Radeon Vega 3 | Radeon HD 4770 |
|---|---|---|
| DirectX | 12 (FL 12_1)+19% | 10.1 |
| OpenGL | 4.6+39% | 3.3 |
| Max Displays | 4+33% | 3 |
Media & Encoding
Decoder: VCN 1.0 vs UVD 2.2. Supported codecs: H.264,H.265/HEVC,AV1 (Radeon Vega 3) vs H.264,VC-1,MPEG-2,DivX (Radeon HD 4770).
| Feature | Radeon Vega 3 | Radeon HD 4770 |
|---|---|---|
| Encoder | VCN 1.0 | — |
| Decoder | VCN 1.0 | UVD 2.2 |
| Codecs | H.264,H.265/HEVC,AV1 | H.264,VC-1,MPEG-2,DivX |
Power & Dimensions
The Radeon Vega 3 draws 45W versus the Radeon HD 4770's 80W — a 56% difference. The Radeon Vega 3 is more power-efficient. Recommended PSU: 1W (Radeon Vega 3) vs 400W (Radeon HD 4770). Power connectors: Integrated vs 1x 6-pin.
| Feature | Radeon Vega 3 | Radeon HD 4770 |
|---|---|---|
| TDP | 45W-44% | 80W |
| Recommended PSU | 1W-100% | 400W |
| Power Connector | Integrated | 1x 6-pin |
| Length | — | 203mm |
| Slots | 0-100% | 2 |
| Temp (Load) | — | 72°C |
| Perf/Watt | 19.8+74% | 11.4 |
Value Analysis
The Radeon Vega 3 launched at $0 MSRP and currently averages $0, while the Radeon HD 4770 launched at $109 and now averages $109. The Radeon Vega 3 costs 100+% less ($109 savings) at current market prices. Performance per dollar (G3D Mark / price): Infinity (Radeon Vega 3) vs 8.3 (Radeon HD 4770) — the Radeon Vega 3 offers Infinity% better value. The Radeon Vega 3 is the newer GPU (2021 vs 2009).
| Feature | Radeon Vega 3 | Radeon HD 4770 |
|---|---|---|
| MSRP | $0-100% | $109 |
| Avg Price (30d) | $0-100% | $109 |
| Performance per Dollar | Infinity | 8.3 |
| Codename | Cezanne | RV740 |
| Release | April 13 2021 | April 28 2009 |
| Ranking | #601 | #908 |
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